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<?php |
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class MapExtension extends DataExtension implements Mappable |
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{ |
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/* |
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* Template suffix for rendering MapInfoWindow aka map bubble |
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*/ |
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private static $map_info_window_suffix = '_MapInfoWindow'; |
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private static $db = array( |
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'Lat' => 'Decimal(18,15)', |
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'Lon' => 'Decimal(18,15)', |
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'ZoomLevel' => 'Int', |
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'MapPinEdited' => 'Boolean', |
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); |
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public static $has_one = array( |
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'MapPinIcon' => 'Image', |
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); |
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public static $defaults = array( |
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'Lat' => 0, |
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'Lon' => 0, |
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'Zoom' => 4, |
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'MapPinEdited' => false, |
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); |
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/* |
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Map editing field |
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*/ |
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private $mapField = null; |
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/* |
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Add a Location tab containing the map |
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*/ |
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public function updateCMSFields(FieldList $fields) |
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{ |
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// These fields need removed, as they may have already been created by the form scaffolding |
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$fields->removeByName('Lat'); |
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$fields->removeByName('Lon'); |
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$fields->removeByName('ZoomLevel'); |
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$fields->removeByName('MapPinIcon'); |
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$fields->removeByName('MapPinEdited'); |
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$fields->addFieldToTab('Root.Location', |
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$this->getMapField() |
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); |
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$fields->addFieldToTab('Root.Location', $uf = new UploadField('MapPinIcon', |
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_t('Mappable.MAP_PIN', 'Map Pin Icon. Leave this blank for default pin to show'))); |
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$uf->setFolderName('mapicons'); |
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} |
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public function getMappableLatitude() |
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{ |
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return $this->owner->Lat; |
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} |
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public function getMappableLongitude() |
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{ |
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return $this->owner->Lon; |
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} |
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/** |
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* Renders the map info window for the DataObject. |
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* |
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* Be sure to define a template for that, named by the decorated class suffixed with _MapInfoWindow |
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* e.g. MyPage_MapInfoWindow |
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* |
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* You can change the suffix globally by editing the MapExtension.map_info_window_suffix config val |
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* |
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* @return string |
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*/ |
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public function getMappableMapContent() |
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{ |
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$defaultTemplate = 'MapInfoWindow'; |
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$classTemplate = |
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SSViewer::get_templates_by_class( |
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$this->owner->ClassName, |
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Config::inst()->get('MapExtension', 'map_info_window_suffix') |
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); |
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$template = count($classTemplate) ? $classTemplate : $defaultTemplate; |
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return MapUtil::sanitize($this->owner->renderWith($template)); |
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} |
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/* |
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If the marker pin is not at position 0,0 mark the pin as edited. This provides the option of |
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filtering out (0,0) point which is often irrelevant for plots |
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*/ |
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public function onBeforeWrite() |
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{ |
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$latzero = ($this->owner->Lat == 0); |
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$lonzero = ($this->owner->Lon == 0); |
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$latlonzero = $latzero && $lonzero; |
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// if both latitude and longitude still default, do not set the map location as edited |
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if (!$latlonzero) { |
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$this->owner->MapPinEdited = true; |
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} |
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} |
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/* |
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If a user has uploaded a map pin icon display that, otherwise |
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*/ |
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public function getMappableMapPin() |
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{ |
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$result = false; |
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if ($this->owner->MapPinIconID != 0) { |
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$mapPin = $this->owner->MapPinIcon(); |
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$result = $mapPin->getAbsoluteURL(); |
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} else { |
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// check for a cached map pin already having been provided for the layer |
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if ($this->owner->CachedMapPinURL) { |
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$result = $this->owner->CachedMapPinURL; |
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} |
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} |
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return $result; |
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} |
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/* |
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Check for non zero coordinates, on the assumption that (0,0) will never be the desired coordinates |
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*/ |
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public function HasGeo() |
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{ |
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$isOrigin = ($this->owner->Lat == 0) && ($this->owner->Lon == 0); |
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$result = !$isOrigin; |
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if ($this->owner->hasExtension('MapLayerExtension')) { |
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if ($this->owner->MapLayers()->count() > 0) { |
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$result = true; |
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} |
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} |
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$this->owner->extend('updateHasGeo', $result); |
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return $result; |
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} |
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/* |
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Render a map at the provided lat,lon, zoom from the editing functions, |
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*/ |
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public function BasicMap() |
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{ |
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$map = $this->owner->getRenderableMap()-> |
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setZoom($this->owner->ZoomLevel)-> |
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setAdditionalCSSClasses('fullWidthMap')-> |
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setShowInlineMapDivStyle(true); |
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$autozoom = false; |
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$this->owner->extend('updateBasicMap', $map, $autozoom); |
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$map->setEnableAutomaticCenterZoom($autozoom); |
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$map->setShowInlineMapDivStyle(true); |
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return $map; |
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} |
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/** |
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* Access the map editing field for the purpose of adding guide points. |
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* |
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* @return [LatLongField] instance of location editing field |
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*/ |
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public function getMapField() |
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{ |
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if (!isset($this->mapField)) { |
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$this->mapField = new LatLongField(array( |
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new TextField('Lat', 'Latitude'), |
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new TextField('Lon', 'Longitude'), |
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new TextField('ZoomLevel', 'Zoom'), |
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) |
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); |
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} |
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return $this->mapField; |
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} |
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/** |
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* Template helper, used to decide whether or not to use compressed assets. |
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*/ |
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public function UseCompressedAssets() |
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{ |
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return Config::inst()->get('Mappable', 'use_compressed_assets'); |
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} |
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} |
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gordonbanderson /
Mappable
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This check marks private properties in classes that are never used. Those properties can be removed.